Home / 147,818.92-221,750.26-54,317.38

Finding the Fourth Proportional to 147,818.92, 221,750.26 and 54,317.38

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Solution

The fourth proportional to 147,818.92, 221,750.26 and 54,317.38 is: 81,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.92 : 221,750.26 = 54,317.38 : x
  2. Step 2: Convert to fraction form
    147,818.92/221,750.26 = 54,317.38/x
  3. Step 3: Cross multiply
    147,818.92x = 221,750.26 × 54,317.38
  4. Step 4: Simplify right side
    147,818.92x = 12,044,893,137.52
  5. Step 5: Solve for x
    x = 12,044,893,137.52/147,818.92
  6. Step 6: Final answer
    x = 81,484.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.